36128819 has 2 divisors, whose sum is σ = 36128820. Its totient is φ = 36128818.

The previous prime is 36128797. The next prime is 36128959. The reversal of 36128819 is 91882163.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36128819 - 2¹² = 36124723 is a prime.

It is a super-2 number, since 2×36128819² = 2610583124669522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36128219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18064409 + 18064410.

It is an arithmetic number, because the mean of its divisors is an integer number (18064410).

Almost surely, 2^36128819 is an apocalyptic number.

36128819 is a deficient number, since it is larger than the sum of its proper divisors (1).

36128819 is an equidigital number, since it uses as much as digits as its factorization.

36128819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 38.

The square root of 36128819 is about 6010.7253306069. The cubic root of 36128819 is about 330.5860995443.

The spelling of 36128819 in words is "thirty-six million, one hundred twenty-eight thousand, eight hundred nineteen".